Finding the Fourth Proportional to 451,730.99, 623,502.06 and 306,782.03
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Solution
The fourth proportional to 451,730.99, 623,502.06 and 306,782.03 is: 423,436.14
Step by Step Solution
- Step 1: Write the proportion equation
451,730.99 : 623,502.06 = 306,782.03 : x - Step 2: Convert to fraction form
451,730.99/623,502.06 = 306,782.03/x - Step 3: Cross multiply
451,730.99x = 623,502.06 × 306,782.03 - Step 4: Simplify right side
451,730.99x = 191,279,227,675.98 - Step 5: Solve for x
x = 191,279,227,675.98/451,730.99 - Step 6: Final answer
x = 423,436.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.